/* *****************************************************************
*
* Copyright 2016 Microsoft
*
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************/

#include "getopt.h"
#include <windows.h>

char* optarg = NULL;
int optind = 1;

int getopt(int argc, char *const argv[], const char *optstring)
{
	if ((optind >= argc) || (argv[optind][0] != '-') || (argv[optind][0] == 0))
	{
		return -1;
	}

	int opt = argv[optind][1];
	const char *p = strchr(optstring, opt);

	if (p == NULL)
	{
		return '?';
	}
	if (p[1] == ':')
	{
		optind++;
		if (optind >= argc)
		{
			return '?';
		}
		optarg = argv[optind];
		optind++;
	}
	return opt;
}
